Crater 2: An Extremely Cold Dark Matter Halo

Crater 2: An Extremely Cold Dark Matter Halo

We present results from MMT/Hectochelle spectroscopy of 390 red giant candidate stars along the line of sight to the recently discovered Galactic satellite Crater 2. Modeling the joint distribution of stellar positions, velocities, and metallicities as a mixture of Crater 2 and Galactic foreground p...

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Bibliographic Details
Main Authors: Caldwell, Nelson, Walker, Matthew G., Mateo, Mario, Olszewski, Edward W., Koposov, Sergey, Belokurov, Vasily, Torrealba, Gabriel, Geringer-Sameth, Alex, Johnson, Christian I.
Other Authors: Univ Arizona, Steward Observ
Language:en
Published: IOP PUBLISHING LTD 2017
Subjects:
galaxies: dwarf
galaxies: individual (Crater 2)
galaxies: kinematics and dynamics
Local Group
methods: data analysis
techniques: spectroscopic
Online Access:http://hdl.handle.net/10150/623952
http://arizona.openrepository.com/arizona/handle/10150/623952

Internet

http://hdl.handle.net/10150/623952
http://arizona.openrepository.com/arizona/handle/10150/623952

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